It was Crick and Watson who worked out the structure of DNA in the 1950s, but its discovery was made nearly 100 years previously by a Swiss physician called Frederick Miescher.
The residents will range in nationality, cultural, religion, age, sex, political association, socio-economic backgrounds, etc. The Assisted Living Federation of America reports that the average age of an assisted living resident is 86.9 years (female average age 87.3; male average age 85.7). Female residents (73.6%) outnumber male residents by almost 3 to 1.
Currently, more than 1.5 million people in the United States live in nursing homes [source: Pear]. The majority of nursing home residents are women, usually widowed, and nearly half of nursing home residents are 85 years or older [source: AGS Foundation]. But what really distinguishes these people from those living in, say, an assisted living facility, is the amount of nursing care and supervision they need.